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29803427 = 149200023
BaseRepresentation
bin111000110110…
…0001110100011
32002002011121122
41301230032203
530112202202
62542442455
7511216313
oct161541643
962064548
1029803427
1115906835
129b9342b
136236684
143d5b443
15293a9a2
hex1c6c3a3

29803427 has 4 divisors (see below), whose sum is σ = 30003600. Its totient is φ = 29603256.

The previous prime is 29803393. The next prime is 29803451. The reversal of 29803427 is 72430892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29803427 - 210 = 29802403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29803027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99863 + ... + 100160.

It is an arithmetic number, because the mean of its divisors is an integer number (7500900).

Almost surely, 229803427 is an apocalyptic number.

29803427 is a deficient number, since it is larger than the sum of its proper divisors (200173).

29803427 is a wasteful number, since it uses less digits than its factorization.

29803427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200172.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 29803427 is about 5459.2515054722. The cubic root of 29803427 is about 310.0430984130.

The spelling of 29803427 in words is "twenty-nine million, eight hundred three thousand, four hundred twenty-seven".

Divisors: 1 149 200023 29803427